MCP Server Directory

ForcedAlpha Supply Chain Graph com.forcedalpha/supply-chain

Evidence-aware supply-chain research. Authentication required: OAuth or a client-stored API key.

Author, validate and maintain a CRAYON-C4 architecture model — never write an invalid file.

StealthStack ARD Discovery ai.stealthstack/discovery

Search a public index of agents, MCP servers and skills found on the open web. Free, no auth.

SendCheck — EVM address verification (x402) org.pennyforge.api/sendcheck

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

Execute cold-vault-migrator-mcp io.github.Evozim/cold-vault-migrator-mcp

Premium agentic endpoint for cold-vault-migrator-mcp.

Authorization layer between AI agents and money: ALLOW/APPROVAL/DENY, budgets, audit.

VaultVision Hyperliquid Vault Research io.github.0xkayser/vaultvision

Read-only Hyperliquid vault search, risk, drawdown, rankings, TVL, alerts, and comparisons.

AlphaKey IDaaS MCP Server — Manage SSO, MFA, users, apps, and security policies through AI IDE

AI governance MCP: A3 scorecard, ISO 42001 evidence templates, compliance checklist, gov_scan.

Mailcheer com.mailcheer/mailcheer

Email API + newsletters. 17 MCP tools. OAuth 2.1 PKCE or API key. EU-hosted (Hetzner + SES).

Webhook Admin com.webhookadmin/webhookadmin

Webhook の送信・再送・監視を行う Webhook 統合インテグレーション (日本製)。送信先・イベントの種類・API キーを tool で扱う。管理画面のアカウントでログイン (OAuth)

Inspect PDF, Office, and iWork documents without rendering: counts, metadata, security signals

GPT-6 Astra com.llmotions.farm/gpt-6-astra

Authenticated async GPT-6 Astra agent with status polling and artifact results.

FieldRobin com.fieldrobin/fieldrobin

Authenticated FieldRobin workspace tools, including scope-authorized customer and job creation.

Inspect and download authorized media or precise clips locally with yt-dlp.

SEO authority, keyword, competitor, content, site-audit, and internal-link tools with optional.

JoinLayer app.joinlayer/mcp

Operate secure JoinLayer data pipelines through delegated OAuth.

Mano DeAyala AI Gateway com.getbotlens/manoforstaterep

MCP gateway for manoforstaterep.com: articles, search and full text. Read-only, no auth.

Sitejar Web Compliance Scanner app.sitejar/mcp

Scan a web page for accessibility, security, privacy, quality and SEO issues, with fixes.

WASync — WhatsApp Platform API app.wasync/whatsapp

WhatsApp for your app or AI agent over OAuth2 — the same connections WASync runs inside your CRM.

Vet MCP tool manifests before attachment; returns block, review, or no blocking finding.

One's Vibe app.onesvibe/search

Search a curated gallery of live, tryable AI-built products for prior art. Read-only, no auth.

Hacker Bob public records io.github.bobnetsec/hacker-bob-public-records

Read-only public CVE records, capability metadata, and agent instructions from Hacker Bob.

FlowSentry io.github.vasilicasijarvis/flowsentry

Security scanner for n8n workflows + live MCP Trust-Check. 18 rules, OWASP mapped. Paid x402 API.